Take magic gems to the Wizard's Lair to convert them into magic powder.

Collecting the silkworms

There are a total of three silkworms. The first can be found just to the right, near the start. The second can be found just after you cross the canyon by building the glass bridge. The third silkworm is an end reward for completing the genie's mission where you must collect 25 glass. Note: To unlock that genie mission, speak to the pirate who wants you to get a metal object from somewhere on the map and bring it back to him.

Glass

Successfully complete the Desert Realm, and progress in the Forest Realm until you can build the Glass Trader building (after Level 3). After it is built, insert any resource (stone, wood, cut stone, carved wood, etc.), and it will be converted into glass.

Forest Realm bears

You can find four bears on the far right side, where you must build three bridges to reach a patch of land. Once there, you can find four different bears that can be picked up and moved. You can then arrange the bears in a 2x2 square, with the bears in the following positions:

Secret Bear: Top-left

Covert Bear: Top-right

Enigmatic Bear: Bottom-left

Discreet Bear: Bottom-right

Once they are all in place, they will turn into a giant bear statue.

Microchips ("It Came From Outer Space" DLC)

Microchips must be placed in the Non-Space Space Station to build the Ubertonic Dynabot (next-to-last blueprint) and get the "Mr. Roboto" achievement. To get them, build a Nebula Panda that converts junk parts into plasma beans. After gaining a large supply of plasma beans, either construct another Nebula Panda or use a Metamorph Carrot on the existing panda to create an Interdimensional Panda. It will convert sulfur crystals into microchips.